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let brew callers customize the sudo dialog message

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runBrew gains an optional askpassMessage; the dialog reads "BrewBar
needs your administrator password to <message>." and defaults to naming
the brew command. Groundwork for per-cask upgrade prompts that name the
app instead of the command.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
maxsoch 2026-07-07 05:44:32 +02:00
parent 89921275b8
commit 0def852416
1 changed files with 7 additions and 5 deletions
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12
BrewBar/BrewBarApp.swift
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@ -150,26 +150,28 @@ class AppDelegate: NSObject, NSApplicationDelegate {
/// prompt whenever brew needs admin rights (no terminal is attached to
/// Process). If two brew commands overlap, the later one's text wins —
/// harmless, since prompts realistically only appear during upgrades.
static func writeAskpassScript(for command: String) -> URL {
static func writeAskpassScript(message: String) -> URL {
let dir = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask)[0]
.appendingPathComponent("BrewBar", isDirectory: true)
try? FileManager.default.createDirectory(at: dir, withIntermediateDirectories: true)
// the text lands inside shell single quotes AND an AppleScript string;
// whitelist characters that cannot break out of either
let safeCommand = command.filter { $0.isLetter || $0.isNumber || " ._@+=:/-".contains($0) }
let safeMessage = message.filter { $0.isLetter || $0.isNumber || " ._@+=:/-".contains($0) }
let url = dir.appendingPathComponent("askpass.sh")
let script = """
#!/bin/zsh
osascript -e 'display dialog "BrewBar needs your administrator password to run:\\n\\nbrew \(safeCommand)" default answer "" with hidden answer with title "BrewBar" with icon caution buttons {"Cancel", "OK"} default button "OK"' -e 'text returned of result'
osascript -e 'display dialog "BrewBar needs your administrator password to \(safeMessage)." default answer "" with hidden answer with title "BrewBar" with icon caution buttons {"Cancel", "OK"} default button "OK"' -e 'text returned of result'
"""
try? script.write(to: url, atomically: true, encoding: .utf8)
try? FileManager.default.setAttributes([.posixPermissions: 0o700], ofItemAtPath: url.path)
return url
}
func runBrew(_ command: String, completion: @escaping (String) -> Void = { _ in }) {
/// askpassMessage customizes the sudo dialog ("...password to <message>.");
/// defaults to naming the brew command.
func runBrew(_ command: String, askpassMessage: String? = nil, completion: @escaping (String) -> Void = { _ in }) {
DispatchQueue.global().async {
let brew = self.resolveBrewPath()
let cleaned = command.replacingOccurrences(of: "brew ", with: "")
@ -184,7 +186,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
process.arguments = arguments
var environment = ProcessInfo.processInfo.environment
environment["SUDO_ASKPASS"] = Self.writeAskpassScript(for: cleaned).path
environment["SUDO_ASKPASS"] = Self.writeAskpassScript(message: askpassMessage ?? "run: brew \(cleaned)").path
process.environment = environment
let pipe = Pipe()